Topeak Check Valve Sprint, Turbo, Booster, Pro Variant:Topeak Pump Check Valve for JoeBlow Sprint, Turbo, XO, Booster, Pro DX, Pro X & Mega Morph Full-Complement/Max-Type bearing for Internal headsets

Full-Complement/Max-Type bearing for Internal headsets - 52100 High-Carbon Chromium alloy races paired with grade 10 Balls

Wrench-Flats allow you to torque pivot bolt to proper tolerances directly to the bearing

Nano Flex 3G is a miracle fabric that combines a warm brushed inside with nanotechnology water repellency

The Ergon CORE HD® construction (with its innovative BASF Infinergy® material) absorbs road shocks and significantly reduces seat pressure

High performance and comfort in one saddle

Topeak Check Valve Sprint, Turbo, Booster, Pro Variant:Topeak Pump Check Valve for JoeBlow Sprint, Turbo, XO, Booster, Pro DX, Pro X & Mega Morph Full-Complement/Max-Type bearing for Internal headsetsFor JoeBlow Pro DX, Joeblow Booster, JoeBlow X. O, JoeBlow Turbo, JoeBlow Sprint and Mega Morph.